US4200948A - Paint scraper - Google Patents

Paint scraper Download PDF

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Publication number
US4200948A
US4200948A US06/024,633 US2463379A US4200948A US 4200948 A US4200948 A US 4200948A US 2463379 A US2463379 A US 2463379A US 4200948 A US4200948 A US 4200948A
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United States
Prior art keywords
blade
slot
holding portion
scraper
paint
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Expired - Lifetime
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US06/024,633
Inventor
Arthur E. Nesseth
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Individual
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Individual
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Priority to US06/024,633 priority Critical patent/US4200948A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44DPAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
    • B44D3/00Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
    • B44D3/16Implements or apparatus for removing dry paint from surfaces, e.g. by scraping, by burning
    • B44D3/162Scrapers
    • B44D3/164Scrapers comprising blades
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L13/00Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/02Scraping
    • A47L13/08Scraping with scraping blades

Definitions

  • This invention relates to paint scrapers, primarily for individual, domestic use.
  • paint scraper comprising a relatively flexible blade permanently secured to a handle, is cumbersome to use and is not of great efficiency. It has only one blade, which must be used on all kinds and types of surfaces. Paint scrapers differ from one another generally only in their overall shape and in their width. Moreover, since they only have one scraping edge, they must discarded as useless as soon as that one edge is no longer effective.
  • the present invention provides a paint scraper in which a blade is releasably mounted in a slot extending substantially across one end edge of the paint scraper.
  • the blade has two different scraping surfaces on opposed sides thereof, namely a smooth scraping surface and a serrated scraping surface.
  • the serrated edge of the blade is used and applied to the paint surface.
  • the blade is removed, reversed, and reinserted in the slot in the paint scraper, so that the smooth edge protrudes from the end thereof for application to the surface.
  • Such a paint scraper is simple and cheap to manufacture, versatile and simple to use.
  • New blades can be obtained and used with the same holder once the first blade has become worn out.
  • the choice of type of scraping edge, according to the type of work to be done, enables the paint scraping task to be completed more efficiently and rapidly, with better overall results.
  • FIG. 1 is a perspective view of the paint scraper according to the invention, with the blade removed but ready for insertion;
  • FIG. 2 is a perspective view of the paint scraper of FIG. 1 in a first mode of operation
  • FIG. 3 is a view similar to FIG. 2 with the paint scraper in a second mode of operation
  • FIG. 4 is an edge view of the scraper blade of the paint scraper of FIGS. 1-3.
  • the blade is an interference fit in the blade receiving slot.
  • the slot may extend the full width of the scraper, with open ends therein, so that the blade may be inserted from either side of the slot or from the longitudinal end thereof.
  • the scraper body is made of wood or plastic, however, it is preferred to leave one blind end on the slot, for more positive location of the blade within the slot.
  • the teeth on the serrated edge of the blade are triangular in section, but with unequal triangle sides so that the sharp, scraping apexes of the triangles are offset from the bases of the triangles of the teeth, all in the same sense, towards one edge of the blade.
  • the operator can reverse the scraper, or remove the blade and turn it around with the teeth still protruding from the slot, so that the teeth are then angled differently towards the work surface in the subsequent operation.
  • This structure of the apparatus provides for enhanced flexibility and versatility in these thereof.
  • the paint scraper as illustrated is generally flat and comprises an elongated handle portion 10 and an integral blade holding portion 12 at one end of the handle 10.
  • the blade holding portion 12 is wider than the handle 10 so that the paint scraper is of overall T-shape in front elevation.
  • a blade receiving slot 14 extends across the width of the end edge 16 of the blade holding portion 12.
  • the slot 14 is open at one lateral side 18 and closed at the opposed lateral side 20. The slot thus presents an open mouth end wise of the blade holding portion 12 and to one lateral side thereof, for loading purposes.
  • the scraper blade 22 is a generally planar, flat metal strip, releasably received as an interference fit in the slot 14. It has a first longitudinal scraping edge 24 of straight, generally smooth configuration. It has also a second longitudinal scraping edge 26, opposed to the first edge 24, which is serrated, provided with triangular section teeth 28. As shown in FIG. 1, the teeth 28 have their sharp end edges (or triangle apexes) offset from the triangle bases, all in the same sense, towards lateral side 30 of blade 22. The blade 22 is not therefore symmetrical about the longitudinal center line of the scraper, and different scraping effects are obtainable by turning the blade 22 around its slot 18, with the teeth presented outwardly.
  • the teeth 28 are grouped into groups which are displaced from the general plane of the flat plate in alternate directions.
  • a first group 32 of teeth 28 are displaced in one direction from the plane of the plate 22.
  • This group is followed by a second group 34 of teeth displaced in the opposite direction, then another first group 32 displaced in the other direction, and so on.
  • the paint scraper is capable of operation in three different modes, depending upon the nature of the work to be done.
  • coarse work e.g. the coarse removal of large quantities of paint from a surface such as paint in several thicknesses
  • the blade may be mounted in the slot with the serrated edge 26 protruding for use, as shown in FIG. 2.
  • the right handed worker With the blade 22 mounted so that the teeth 28 are offset to the right, the right handed worker is able to conduct powerful but coarse scraping of a surface.
  • the effectiveness of the coarse scraping is enhanced by the alternate lateral offset of the adjacent groups of teeth.
  • the right handed workman need only reverse the blade 22 to have the teeth 28 protruding and offset to the left, or alternatively turn over the scraper if its shape and the working location so permits.
  • the positions of coarse and medium scraping are reversed.
  • the blade 22 is removed from slot 14 and replaced with smooth scraping edge 24 protruding for use, as shown in FIG. 3. In this manner, an exceptionally effective and efficient paint scraping task is accomplished, rapidly and with reduced effort.
  • the handle and blade holding portions of the paint scraper according to the invention may be manufactured of any suitable material offering suitable durability and rigidity, e.g. wood, metal or plastic.
  • the blade holding slot may by open at both lateral ends and the blade still held sufficiently firmly but releasably therein.
  • the blade holding portion is of plastic or wood, however, a single blind ended slot as illustrated is preferred.
  • a single handle and holding portion will of course generally outlast several such blades, and can be used with replacement blades long after the initial blade has been worn out and discarded.

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  • Coating Apparatus (AREA)

Abstract

A paint scraper has a blade holding portion, having a slot in which is releasably mounted a paint scraper blade. The blade has a pair of different, opposed paint scraping edges. The first edge is straight and smooth, and is used for fine scraping work. The second is toothed, serrated and is used for coarse scraping work. The blade is readily removed from the slot and reversed or replaced, to change from one mode of operation to another.

Description

FIELD OF THE INVENTION
This invention relates to paint scrapers, primarily for individual, domestic use.
BACKGROUND OF THE INVENTION AND PRIOR ART
The scraping of paint is a tedious, difficult and time consuming operation for the home decorator, which is often left incomplete or improperly done. Failure to remove properly an underlying, perviously applied coat of paint from a surface, prior to applying new paint thereto, often spoils the quality of the newly applied paint coating. Nevertheless, because the act of scraping off or otherwise removing old paint is tedious and difficult, there is strong inclination on the part of the home decorator not to finish this task to a sufficient degree.
The traditional paint scraper, comprising a relatively flexible blade permanently secured to a handle, is cumbersome to use and is not of great efficiency. It has only one blade, which must be used on all kinds and types of surfaces. Paint scrapers differ from one another generally only in their overall shape and in their width. Moreover, since they only have one scraping edge, they must discarded as useless as soon as that one edge is no longer effective.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide a novel paint scraper.
It is a further object of the invention to provide a novel paint scraper with a removable and replaceable blade, providing different scraping surfaces.
The present invention provides a paint scraper in which a blade is releasably mounted in a slot extending substantially across one end edge of the paint scraper. The blade has two different scraping surfaces on opposed sides thereof, namely a smooth scraping surface and a serrated scraping surface. For the scraping of coarse work, the serrated edge of the blade is used and applied to the paint surface. When it is required to switch to the scraping of fine work, to remove the last traces of paint and otherwise finely prepare the surface for subsequent application of new coats of paint, the blade is removed, reversed, and reinserted in the slot in the paint scraper, so that the smooth edge protrudes from the end thereof for application to the surface. Such a paint scraper is simple and cheap to manufacture, versatile and simple to use. It provides added degrees of efficiency to the paint scraping operation for the home decorator. New blades can be obtained and used with the same holder once the first blade has become worn out. The choice of type of scraping edge, according to the type of work to be done, enables the paint scraping task to be completed more efficiently and rapidly, with better overall results.
BRIEF REFERENCE TO THE DRAWINGS
FIG. 1 is a perspective view of the paint scraper according to the invention, with the blade removed but ready for insertion;
FIG. 2 is a perspective view of the paint scraper of FIG. 1 in a first mode of operation;
FIG. 3 is a view similar to FIG. 2 with the paint scraper in a second mode of operation;
FIG. 4 is an edge view of the scraper blade of the paint scraper of FIGS. 1-3.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
Preferably, the blade is an interference fit in the blade receiving slot. When the paint scraper body is made of metal, the slot may extend the full width of the scraper, with open ends therein, so that the blade may be inserted from either side of the slot or from the longitudinal end thereof. When the scraper body is made of wood or plastic, however, it is preferred to leave one blind end on the slot, for more positive location of the blade within the slot.
Preferably also, the teeth on the serrated edge of the blade are triangular in section, but with unequal triangle sides so that the sharp, scraping apexes of the triangles are offset from the bases of the triangles of the teeth, all in the same sense, towards one edge of the blade. Also, it is preferred to provide groups of such teeth, adjacent groups thereof being displaced from the plane of the flat blade in opposite senses. In this way, an efficient, coarse scraping surface is provided on one edge of the blade, which will speed up the scraping process and render it more efficient, even on very coarse surfaces requiring the removal of old paint. For different effects, the operator can reverse the scraper, or remove the blade and turn it around with the teeth still protruding from the slot, so that the teeth are then angled differently towards the work surface in the subsequent operation. This structure of the apparatus provides for enhanced flexibility and versatility in these thereof.
DETAILED DESCRIPTION OF THE SPECIFIC PREFERRED EMBODIMENT
The paint scraper as illustrated is generally flat and comprises an elongated handle portion 10 and an integral blade holding portion 12 at one end of the handle 10. The blade holding portion 12 is wider than the handle 10 so that the paint scraper is of overall T-shape in front elevation. A blade receiving slot 14 extends across the width of the end edge 16 of the blade holding portion 12. The slot 14 is open at one lateral side 18 and closed at the opposed lateral side 20. The slot thus presents an open mouth end wise of the blade holding portion 12 and to one lateral side thereof, for loading purposes.
The scraper blade 22 is a generally planar, flat metal strip, releasably received as an interference fit in the slot 14. It has a first longitudinal scraping edge 24 of straight, generally smooth configuration. It has also a second longitudinal scraping edge 26, opposed to the first edge 24, which is serrated, provided with triangular section teeth 28. As shown in FIG. 1, the teeth 28 have their sharp end edges (or triangle apexes) offset from the triangle bases, all in the same sense, towards lateral side 30 of blade 22. The blade 22 is not therefore symmetrical about the longitudinal center line of the scraper, and different scraping effects are obtainable by turning the blade 22 around its slot 18, with the teeth presented outwardly.
As shown in FIG. 4, the teeth 28 are grouped into groups which are displaced from the general plane of the flat plate in alternate directions. Thus a first group 32 of teeth 28 are displaced in one direction from the plane of the plate 22. This group is followed by a second group 34 of teeth displaced in the opposite direction, then another first group 32 displaced in the other direction, and so on.
the paint scraper is capable of operation in three different modes, depending upon the nature of the work to be done. Firstly, when coarse work is to be done, e.g. the coarse removal of large quantities of paint from a surface such as paint in several thicknesses, the blade may be mounted in the slot with the serrated edge 26 protruding for use, as shown in FIG. 2. With the blade 22 mounted so that the teeth 28 are offset to the right, the right handed worker is able to conduct powerful but coarse scraping of a surface. The effectiveness of the coarse scraping is enhanced by the alternate lateral offset of the adjacent groups of teeth. For a medium coarseness of scraping, the right handed workman need only reverse the blade 22 to have the teeth 28 protruding and offset to the left, or alternatively turn over the scraper if its shape and the working location so permits. For the lefthanded workman, the positions of coarse and medium scraping are reversed. For fine, finishing scraping, the blade 22 is removed from slot 14 and replaced with smooth scraping edge 24 protruding for use, as shown in FIG. 3. In this manner, an exceptionally effective and efficient paint scraping task is accomplished, rapidly and with reduced effort.
The handle and blade holding portions of the paint scraper according to the invention may be manufactured of any suitable material offering suitable durability and rigidity, e.g. wood, metal or plastic. When the blade holding portion is made of metal, the blade holding slot may by open at both lateral ends and the blade still held sufficiently firmly but releasably therein. When the blade holding portion is of plastic or wood, however, a single blind ended slot as illustrated is preferred. A single handle and holding portion will of course generally outlast several such blades, and can be used with replacement blades long after the initial blade has been worn out and discarded.
Whilst a specific preferred embodiment of the invention has been shown and illustrated herein, the invention is not to be construed as limited thereto, and variations and modifications thereof will occur to those skilled in the art. The scope of the present invention is limited only by the scope of the appended claims.

Claims (5)

I claim:
1. A paint scraper comprising a handle portion and a blade holding portion, said blade holding portion having an elongated blade receiving slot extending along at least a major portion of the width of said blade holding portion, with an open mouth of said slot presented along the end of the blade holding portion;
a scraper blade having a first scraping edge of straight, generally smooth configuration, and a second, opposed scraping edge of toothed, serrated configuration;
said scraper blade being adapted to be releasably received in said slot in a first position in which the first scraping edge of said blade protrudes beyond the mouth of said slot and beyond the end of the blade holding portion, and in a second position in which the second scraping edge of said blade protrudes beyond the mouth of said slot and beyond the end of the blade holding portion.
2. The paint scraper of claim 1 wherein the blade is an interference fit in the blade receiving slot.
3. The paint scraper of claim 2 wherein the second said scraping edge of the blade comprises triangular section teeth, the apexes of the triangles thereof being offset from the respective triangular base in the same sense towards one side edge of the blade.
4. The paint scraper of claim 3 wherein the blade is a generally flat, planar strip, the teeth of said scraping edge of the blade being grouped into groups of alternate first offset teeth and second offset teeth, the groups of first offset teeth being displaced from the plane of the blade in an opposite direction from the displacement of the groups of second offset teeth.
5. The paint scraper of claim 4 wherein the blade receiving slot has one open end and one closed end at opposed sides of the blade holding portion.
US06/024,633 1979-03-28 1979-03-28 Paint scraper Expired - Lifetime US4200948A (en)

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Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4542554A (en) * 1984-05-15 1985-09-24 Wallerstein Martin A Low cost, renewable scraping implement
US4759092A (en) * 1987-08-05 1988-07-26 Duddy James J Industrial-type scraper
US5007129A (en) * 1989-06-12 1991-04-16 Hainey Melvin F Golfer's cleaning tool
US5065977A (en) * 1990-07-25 1991-11-19 Warren Desjardin Integral tool and clip for vertical support in a container
US5486321A (en) * 1993-12-01 1996-01-23 Spatenka; Gary W. Method for auto body repair
US5855505A (en) * 1997-05-29 1999-01-05 Letts; Joshua E. Surface leveling tool
US6009581A (en) * 1998-05-21 2000-01-04 Davis; Dave D. Scraping tool having a tool socket and integral wrenches
EP1163875A1 (en) * 2000-05-30 2001-12-19 Schott Glas Cleaning scraper
US6604768B2 (en) * 2001-05-25 2003-08-12 Mark W. Stevenson Concrete chute scoop
US20040177862A1 (en) * 2003-03-12 2004-09-16 Larry Tennyson Rigid paint scraper with flexible bends
US20050138818A1 (en) * 2002-08-21 2005-06-30 Teich Elizabeth C. Bagel scooper
WO2006040417A1 (en) * 2004-10-08 2006-04-20 Roger Fuchs Scraper
US20070209136A1 (en) * 2004-06-28 2007-09-13 Erik Eriksson Scraping Blade For Paint Scraper Intended For Removing Paint
US20090241990A1 (en) * 2008-03-31 2009-10-01 Neil Stephen Smith Paint scraper apparatus and method
US20100236003A1 (en) * 2009-03-18 2010-09-23 Teng Eric Y Multi-use kitchen scraper- spatula
WO2013028724A1 (en) 2011-08-22 2013-02-28 The Procter & Gamble Company Device for treating a target surface and having an ergonomically pivoting handle
US20140298606A1 (en) * 2010-04-26 2014-10-09 Thompson Brothers & Company, Llc Bbq grill scraper
USD750464S1 (en) * 2015-02-04 2016-03-01 Lawrence Julius Sonne Handle for applicator
US9790692B2 (en) * 2014-09-03 2017-10-17 United States Gypsum Company Joint compound tool
JP2018149093A (en) * 2017-03-13 2018-09-27 株式会社パテントアイランド scraper
CN108927636A (en) * 2017-05-23 2018-12-04 浙江工业职业技术学院 A kind of straight sword oil sludge scraper and its manufacturing process
USD1008592S1 (en) * 2021-07-03 2023-12-19 Eulogio A Guzmán-Lugo Paint scraper set
USD1008591S1 (en) * 2021-07-03 2023-12-19 Eulogio A Guzmán-Lugo Paint scraper set

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA599715A (en) * 1960-06-14 F. Fisher Arthur Scraper
US3250000A (en) * 1964-09-14 1966-05-10 Lawrence R Schumann Scraping tool
US3530524A (en) * 1967-03-06 1970-09-29 Earl J Clemans Paint scraper hand tool
US3789450A (en) * 1972-02-29 1974-02-05 Raymond Lee Organization Inc Painter{40 s pal
US3795026A (en) * 1971-03-30 1974-03-05 F Kazamek Saw-toothed scraper
US4124915A (en) * 1977-08-15 1978-11-14 S/V Tool Company, Inc. Combination scraper and squeegee

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA599715A (en) * 1960-06-14 F. Fisher Arthur Scraper
US3250000A (en) * 1964-09-14 1966-05-10 Lawrence R Schumann Scraping tool
US3530524A (en) * 1967-03-06 1970-09-29 Earl J Clemans Paint scraper hand tool
US3795026A (en) * 1971-03-30 1974-03-05 F Kazamek Saw-toothed scraper
US3789450A (en) * 1972-02-29 1974-02-05 Raymond Lee Organization Inc Painter{40 s pal
US4124915A (en) * 1977-08-15 1978-11-14 S/V Tool Company, Inc. Combination scraper and squeegee

Cited By (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4542554A (en) * 1984-05-15 1985-09-24 Wallerstein Martin A Low cost, renewable scraping implement
US4759092A (en) * 1987-08-05 1988-07-26 Duddy James J Industrial-type scraper
US5007129A (en) * 1989-06-12 1991-04-16 Hainey Melvin F Golfer's cleaning tool
US5065977A (en) * 1990-07-25 1991-11-19 Warren Desjardin Integral tool and clip for vertical support in a container
US5486321A (en) * 1993-12-01 1996-01-23 Spatenka; Gary W. Method for auto body repair
US5855505A (en) * 1997-05-29 1999-01-05 Letts; Joshua E. Surface leveling tool
US6009581A (en) * 1998-05-21 2000-01-04 Davis; Dave D. Scraping tool having a tool socket and integral wrenches
EP1163875A1 (en) * 2000-05-30 2001-12-19 Schott Glas Cleaning scraper
US6604768B2 (en) * 2001-05-25 2003-08-12 Mark W. Stevenson Concrete chute scoop
US20040032137A1 (en) * 2001-05-25 2004-02-19 Stevenson Mark W. Concrete chute scoop
US20050138818A1 (en) * 2002-08-21 2005-06-30 Teich Elizabeth C. Bagel scooper
US7458163B2 (en) * 2002-08-21 2008-12-02 Elizabeth Chelsea Teich Bagel scooper
US20040177862A1 (en) * 2003-03-12 2004-09-16 Larry Tennyson Rigid paint scraper with flexible bends
US7077914B2 (en) * 2003-03-12 2006-07-18 Larry Tennyson, Sr. Rigid paint scraper with flexible bends
US20070209136A1 (en) * 2004-06-28 2007-09-13 Erik Eriksson Scraping Blade For Paint Scraper Intended For Removing Paint
CN1976817B (en) * 2004-06-28 2010-06-16 开普曼股份有限公司 A scraping blade for paint scraper intended for removing paint
WO2006040417A1 (en) * 2004-10-08 2006-04-20 Roger Fuchs Scraper
US20090241990A1 (en) * 2008-03-31 2009-10-01 Neil Stephen Smith Paint scraper apparatus and method
US20100236003A1 (en) * 2009-03-18 2010-09-23 Teng Eric Y Multi-use kitchen scraper- spatula
US11109711B2 (en) 2010-04-26 2021-09-07 Thompson Brothers & Company LLC BBQ grill scraper
US20140298606A1 (en) * 2010-04-26 2014-10-09 Thompson Brothers & Company, Llc Bbq grill scraper
US12035870B2 (en) 2010-04-26 2024-07-16 Thompson Brothers & Company LLC BBQ grill scraper
US9820612B2 (en) * 2010-04-26 2017-11-21 Thompson Brothers & Company, Llc BBQ grill scraper
US20180084947A1 (en) * 2010-04-26 2018-03-29 Thompson Brothers & Company LLC Bbq grill scraper
WO2013028724A1 (en) 2011-08-22 2013-02-28 The Procter & Gamble Company Device for treating a target surface and having an ergonomically pivoting handle
WO2013028722A1 (en) 2011-08-22 2013-02-28 The Procter & Gamble Company Device for treating a target surface and having an ergonomically pivoting handle
WO2013028723A1 (en) 2011-08-22 2013-02-28 The Procter & Gamble Company Device for treating a target surface and having an ergonomically pivoting handle
US9126323B2 (en) 2011-08-22 2015-09-08 The Procter & Gamble Company Device for treating a target surface and having an ergonomically pivoting handle
US9138886B2 (en) 2011-08-22 2015-09-22 The Procter & Gamble Company Device for treating a target surface and having an ergonomically pivoting handle
US9790692B2 (en) * 2014-09-03 2017-10-17 United States Gypsum Company Joint compound tool
USD750464S1 (en) * 2015-02-04 2016-03-01 Lawrence Julius Sonne Handle for applicator
JP2018149093A (en) * 2017-03-13 2018-09-27 株式会社パテントアイランド scraper
CN108927636A (en) * 2017-05-23 2018-12-04 浙江工业职业技术学院 A kind of straight sword oil sludge scraper and its manufacturing process
USD1008592S1 (en) * 2021-07-03 2023-12-19 Eulogio A Guzmán-Lugo Paint scraper set
USD1008591S1 (en) * 2021-07-03 2023-12-19 Eulogio A Guzmán-Lugo Paint scraper set

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